#TWOJE ID KLIENTA Z LVLUP, mozesz je dostac tutaj: https://lvlup.pro/panel/profile/api 
on script load:
    set {nr.api.lvlup} to "XXXXX"
command /sms [<text>]:
    aliases: /sklep
    trigger:
        open chest with 1 row named "Dostepne Uslugi" to player
        wait 1 tick
        set player's current inventory's slot 0 to diamond named "&3Ranga Premium" with lore "&6Cena » &e1,23 PLN z VAT||&6Tresc SMS » &eAP.HOSTMC||&6Numer SMS » &e71068||||&aAby uzyc kodu kliknij tutaj!"
on inventory click:
    if "%inventory name of player's current inventory%" is "Dostepne Uslugi":
        cancel event
        if clicked inventory is not player's inventory:
            # Aktywacja wysylania kodu na chacie po kliknieciu w itemek
            if player's current inventory's slot slot is not air:
                send "&6ItemShop &3» &fAby aktywowac usluge napisz na chacie" to player
                send "&6ItemShop &3» &fkod ktory dostales w SMS'ie. Masz 30 sekund." to player
            if "%slot%" is "0":
                close player's inventory
                set {nr.tel.wiadomosci::%Player%} to "71068"
                set {id.uslugi::%player%} to 0 #numer uslugi, zeby mozna bylo dodac wiecej rzeczy za te sama cene.
                wait 30 seconds
                if "%{nr.tel.wiadomosci::%Player%}%" is "71068":
                    delete {nr.tel.wiadomosci::%Player%}
                    delete {id.uslugi::%player%}
                    send "&6ItemShop &3» &fCzas na podanie kodu dobiegl konca!" to player         
on chat:
    if {nr.tel.wiadomosci::%Player%} is set:
        set {_l} to length of message
        if {_l} is not 8:
            send "&6ItemShop &3» &fPodany kod jest nieprawidlowy!" to player
        else:
            #Musiałem tak zrobić, ponieważ gdy dałem {_url} w jednej linijce to zamieniało &n na kolor w mc.
            set {_url} to "https://lvlup.pro/api/checksms?id="
            set {_url} to "%{_url}%%{nr.api.lvlup}%"
            set {_url} to "%{_url}%&"
            set {_url} to "%{_url}%code=%uncoloured message%"
            set {_url} to "%{_url}%&"
            set {_url} to "%{_url}%number=%{nr.tel.wiadomosci::%Player%}%"
            set {_url} to "%{_url}%&"
            set {_url} to "%{_url}%desc=ItemShop_%player%_%uncoloured message%"
            set {_vaild} to text from "%{_url}%"
            if "%{_vaild}%" contains "1" or "0":
                if "%{_vaild}%" contains "1":
                    # Tutaj dodajesz co ma się dziać po zakupieniu usługi
                    if {id.uslugi::%player%} is 0:
                        make console execute command "pex user %Player% add premium"
                        send "" to all players
                        send "&6ItemShop &3» &fGracz &e%Player%&f zakupil usluge &ePremium&f dziekujemy!" to all players
                        send "" to all players
                else:
                    send "&6ItemShop &3» &fPodany kod jest nieprawidlowy!" to player
            else:
                send "&6ItemShop &3» &fPodany link API jest zly!" to player
        delete {nr.tel.wiadomosci::%Player%}
        delete {id.uslugi::%player%}
        cancel event